<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>登录</title>
</head>
<body>
  <form action="/dologin" method="post">
    用户名：<input type="text" name="userName">
    密码：<input type="password" name="pwd">
    <input type="submit" value="登录">
  </form>
</body>
</html>